ResearchRouting table, looking glass, RPKI & IRR

121.55.0.0/18 Shanghai Information Network Co.,Ltd.

Announced by AS45061 Shanghai Information Network Co.,Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 121.55.0.0/18

Origin
RPKI
RPKI valid
Size
16,384 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-13 00:02 UTC

How 121.55.0.0/18 is reached

Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 4134 4812 45061
OriginAS45061 Shanghai Information Network Co.,Ltd.
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated4d 21h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 4812 45061
OriginAS45061 Shanghai Information Network Co.,Ltd.
Origin codeIGP
Communities903:900 903:13760
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4134 4812 45061
OriginAS45061 Shanghai Information Network Co.,Ltd.
Origin codeIGP
Communities36295:100
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 4134 4812 45061
OriginAS45061 Shanghai Information Network Co.,Ltd.
Origin codeIGP
Communitiesnone
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4134 4812 45061
OriginAS45061 Shanghai Information Network Co.,Ltd.
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 23h ago

Route origin authorizations

Covered by a ROA authorizing AS45061 to originate 121.55.0.0/18 up to /18. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
121.55.0.0/18/18AS45061 SINAPNIC

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
121.55.0.0/18AS4837 CHINA169-BackboneAPNICChina Unicom CHINA169 Jiangxi Province network Addresses from CNNICMAINT-CNCGROUP-RR
121.55.0.0/18AS4134 CHINANET-BACKBONELEVEL3Proxy-registered route objectXINGXUNTECHLTD-MNT
121.55.0.0/18AS45061 SINRADBShangHai information network CO,LTD.MAINT-AS45061

Check 121.55.0.0/18 live